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Memcache[root@localhost ~]# yum install libmemcached[root@localhost ~]# yum install memcached[root@localhost ~]# memcached -m 512 -u nobody -vvslab class 1: chunk size 96 perslab 10922slab class 2: chunk size 120 perslab 8738slab class 3: chunk size 152 perslab 6898slab class 4: chunk size 192 perslab 5461slab class 5: chunk size 240 perslab 4369slab class 6: chunk size 304 perslab 3449slab class 7: chunk size 384 perslab 2730slab class 8: chunk size 480 perslab 2184slab class 9: chunk size 600 perslab 1747slab class 10: chunk size 752 perslab 1394[root@localhost ~]# chkconfig --add memcached[root@localhost ~]# pecl install memcachechecking for the location of zlib... configure: error: memcache support requires ZLIB. Use --with-zlib-dir=<dir> to specify prefix where ZLIB include and library are locatedERROR: `/var/tmp/memcache/configure --enable-memcache-session=yes' failed[root@localhost ~]# yum install zlib-devel[root@localhost ~]# pecl install memcacheBuild process completed successfullyInstalling '/usr/lib64/php/modules/memcache.so'install ok: channel://pecl.php.net/memcache-2.2.7configuration option "php_ini" is not set to php.ini locationYou should add "extension=memcache.so" to php.ini[root@localhost ~]# vi /etc/php.ini[root@localhost ~]# service php-fpm restart停止 php-fpm: [确定]正在启动 php-fpm: [确定]</dir>
APC
[root@localhost ~]# pecl install apc在包含自 /var/tmp/APC/apc.c:45 的文件中:/usr/include/php/ext/pcre/php_pcre.h:29:18: 错误:pcre.h:没有那个文件或目录In file included from /var/tmp/APC/apc.c:45:/usr/include/php/ext/pcre/php_pcre.h:37: 错误:expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token/usr/include/php/ext/pcre/php_pcre.h:38: 错误:expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token/usr/include/php/ext/pcre/php_pcre.h:44: 错误:expected specifier-qualifier-list before ‘pcre’[root@localhost ~]# yum install pcre-devel[root@localhost ~]# pecl install apcBuild process completed successfullyInstalling '/usr/lib64/php/modules/apc.so'Installing '/usr/include/php/ext/apc/apc_serializer.h'install ok: channel://pecl.php.net/APC-3.1.13configuration option "php_ini" is not set to php.ini locationYou should add "extension=apc.so" to php.ini[root@localhost ~]# vi /etc/php.ini[root@localhost ~]# service php-fpm restart停止 php-fpm: [确定]正在启动 php-fpm: [确定]
Mcrypt
[root@localhost ~]# rpm -ivh http://mirrors.sohu.com/fedora-epel/6/i386/epel-release-6-8.noarch.rpm[root@localhost ~]# yum updateComplete![root@localhost ~]# yum repolist已加载插件:fastestmirrorLoading mirror speeds from cached hostfile * base: mirrors.cug.edu.cn * epel: mirrors.zju.edu.cn * extras: mirrors.cug.edu.cn * updates: mirrors.cug.edu.cn仓库标识 仓库名称 状态base CentOS-6 - Base 6,518*epel Extra Packages for Enterprise Linux 6 - x86_64 11,188extras CentOS-6 - Extras 36nginx nginx repo 69updates CentOS-6 - Updates 530repolist: 18,341[root@localhost ~]# yum install php-mcrypt[root@localhost ~]# service php-fpm restart停止 php-fpm: [确定]正在启动 php-fpm: [确定]

What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.


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